upgrade to nextcloud 31 (#359)

* fix JSONResponse

Signed-off-by: hohanov <hohanov@gmail.com>

* fix Nextcloud version

Signed-off-by: hohanov <hohanov@gmail.com>

---------

Signed-off-by: hohanov <hohanov@gmail.com>

Author: hohanov

appinfo/info.xml

@@ -31,7 +31,7 @@ Additionally, the community document server only supports running on x86-64 Linu
 	<screenshot>https://raw.githubusercontent.com/nextcloud/documentserver_community/master/screenshots/main.png</screenshot>
 	<screenshot>https://raw.githubusercontent.com/nextcloud/documentserver_community/master/screenshots/new.png</screenshot>
 	<dependencies>
-		<nextcloud min-version="21" max-version="30"/>
+		<nextcloud min-version="21" max-version="31"/>
 	</dependencies>
 
 	<background-jobs>

lib/Controller/ConvertController.php

@@ -50,9 +50,9 @@ public function __construct(DocumentStore $documentStore, URLDecoder $urlDecoder
 	public function convert(bool $async, string $url, string $outputtype, string $filetype, string $title, string $key) {
 		if ($outputtype === $filetype) {
 			return new JSONResponse([
-				'FileUrl' => $url,
-				'Percent' => "100",
-				'EndConvert' => "True",
+				'fileUrl' => $url,
+				'percent' => 100,
+				'endConvert' => true,
 			]);
 		} else {
 			$documentId = (int)$key;
@@ -68,9 +68,9 @@ public function convert(bool $async, string $url, string $outputtype, string $fi
 			);
 
 			return new JSONResponse([
-				'FileUrl' => $url,
-				'Percent' => "100",
-				'EndConvert' => "True",
+				'fileUrl' => $url,
+				'percent' => 100,
+				'endConvert' => true,
 			]);
 		}
 	}